Find freelancers. Lose those costly delays.

With 1.7 million freelancers, we'll match you with the perfect talent.

or, Register with Elance »

Universal External Battery pack design (PCB, Manufacturing)
Sign in to Add to Watch List

Engineering & Manufacturing > Product Design

View Change History

The client has made the following changes to the job.


Job canceled.

Nov 28, 2011

Job Description

  |  Change History >>


  • Posted: Sun, Oct 23, 2011
  • Time Left: Closed
  • Location: Anywhere
  • Client prefers freelancers from:

    You are still able to submit a proposal for this job.

    The client prefers freelancers from
    a different location.

    You're still able to submit a proposal for this job, regardless of your location.
  • Start: Immediately
  • Budget: Less than $500
  • Fixed Price Job
  • Elance Escrow Protection
  • U.S. freelancers must have W9
Sign in to view client's details

I want to power a small desktop computer and monitor with a battery pack.
There are two ways to achieve this with existing products:

1. DC to DC PSU and an external battery pack: Good battery capacity and cost efficient but I canít monitor the battery information through the Windows OS.

2. DC UPS system: Does exactly what I need but with less battery capacity and higher price.

I need something in between the two above options: High power PSU, high power and capacity battery pack, and simpler software that mimics laptop ACPI power management.
I need someone who can give advices and design a custom battery pack from a manufacturerís point of view. I would like to use existing products that can be easily sourced as much as possible.
And yes, I know that I could just use a laptop so please donít give me that.

Required skills:
1. PCB design
2. Smart battery, battery management in mobile electronics
3. Windows OS Driver / Application
4. ATX PSU for PCs
5. Sourcing

1. O...

Sign in or Register to see more

Job ID: 26743442
Avg $ | High $ | Low $ — Show Pricing
  • Submit Date (Latest)

 Pakistan  |  
I AM A a professional and talented electrical enigineers i have a 10 year experience in electronic design wireless ,bluetooth ,Integrated...
 0.0   |  $0 Earnings   |  0 Jobs
Bid ID: 26753128  |  Submitted: Oct 24, 2011 11:31 ET 
Proposal SEALED

 Taiwan  |  
Sourcing Overseas is a new product development and offshore-manufacturing consultancy service. Our mission is to help you take your idea from its...
 4.7   |  $15,424 Earnings   |  4 Jobs
Bid ID: 26749073  |  Submitted: Oct 24, 2011 07:18 ET 
Proposal SEALED
Sign in to Elance and start working on jobs today.
Sign in to view more of the job details and submit a proposal. Once registered, you'll have access to thousands of jobs online or through email.
Are you ready to post a job like this one?
Post a Similar Job »